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72887695 = 583175633
BaseRepresentation
bin1000101100000…
…10110110001111
312002011002010021
410112002312033
5122124401240
611122123011
71543351366
oct426026617
9162132107
1072887695
1138163671
12204b0467
131214001a
1499747dd
1565eb54a
hex4582d8f

72887695 has 8 divisors (see below), whose sum is σ = 88519536. Its totient is φ = 57607296.

The previous prime is 72887663. The next prime is 72887719. The reversal of 72887695 is 59678827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72887695 - 25 = 72887663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87402 + ... + 88231.

It is an arithmetic number, because the mean of its divisors is an integer number (11064942).

Almost surely, 272887695 is an apocalyptic number.

72887695 is a deficient number, since it is larger than the sum of its proper divisors (15631841).

72887695 is a wasteful number, since it uses less digits than its factorization.

72887695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175721.

The product of its digits is 1693440, while the sum is 52.

The square root of 72887695 is about 8537.4290626628. The cubic root of 72887695 is about 417.7194896900.

The spelling of 72887695 in words is "seventy-two million, eight hundred eighty-seven thousand, six hundred ninety-five".

Divisors: 1 5 83 415 175633 878165 14577539 72887695